# 整型
age = 23

print(type(age))

# 浮点型
price = 10.01
print(
    type(price)
)

# 布尔值
isOk = False
print(type(isOk))

# 字符串
name = "lixing"
print(type(name))


str1 = "name: {1} age:{age}"

print(str1.format(str1, "lixinng", age=23))

